Results 11 to 20 of about 2,512,391 (143)
Design and Analysis of Wideband Ladder-Type Film Bulk Acoustic Wave Resonator Filters in Ku-Band [PDF]
Active and Passive Electronic Components, 2013 This paper presents the design of ladder-type filters based on film bulk acoustic wave resonator (FBAR) in Ku-band. The proposed FBAR filter has an insertion loss of −3 dB, out-of-band rejection of −12 dB and 3 dB bandwidth of 1.0 GHz from 15 GHz to 16 ...
N. Izza M. Nor +3 more
doaj +4 more sources
Processing Chip for Thin Film Bulk Acoustic Resonator Mass Sensor [PDF]
Journal of Control Science and Engineering, 2012 Aimed at portable application, a new integrated process chip for thin film bulk acoustic resonator (FBAR) mass sensor is proposed and verified with 0.18 um CMOS processing in this paper. The longitudinal mode FBAR with back-etched structure is fabricated,
Pengcheng Jin +3 more
doaj +2 more sources
Design and Fabrication of 3.5 GHz Band-Pass Film Bulk Acoustic Resonator Filter. [PDF]
Micromachines (Basel)With the development of wireless communication, increasing signal processing presents higher requirements for radio frequency (RF) systems. Piezoelectric acoustic filters, as important elements of an RF front-end, have been widely used in 5G-generation ...
Zhou Y +10 more
europepmc +2 more sources
Advances in MEMS, Optical MEMS, and Nanophotonics Technologies for Volatile Organic Compound Detection and Applications. [PDF]
Small SciVolatile organic compounds (VOCs) are ubiquitous in natural and human environments, posing environmental and health risks. Recent advancements in micro‐electromechanical system and optical sensing offer new possibilities for VOC detection. This article reviews their progress, focusing on mechanisms, artificial intelligence enhancement, and applications
Li D, Zhou H, Ren Z, Lee C.
europepmc +2 more sources
Rational Design and Fabrication of MEMS Gas Sensors With Long-Term Stability: A Comprehensive Review. [PDF]
Adv Sci (Weinh)Recent advances in microelectromechanical systems (MEMS) gas sensors are reviewed, emphasizing strategies to enhance long‐term stability, including chemical modification of sensing films and device structural optimization. Key challenges and future opportunities are also highlighted.
Zhang C +6 more
europepmc +2 more sources
Micromachines, 2017 This paper presents a sensitivity-enhanced gas sensor based on a film bulk acoustic resonator (FBAR). It was designed and fabricated with micro through-holes in its top electrode for sensitivity enhancement. The sensor was driven by a Colpitts oscillator
Zhen Fang, Lidong Du
exaly +3 more sources
Integration of sol-gel frequency agile materials for tunable RF devices [PDF]
, 2012 This thesis focuses on the use of high permittivity tunable dielectrics and more specifically sol-gel ferroelectric thin films for low cost, high performance tunable devices such as varactors and filters at RF and microwave frequencies.
Fragkiadakis, Charalampos
core +7 more sources
Numerical Investigation of Phononic Crystal Based Film Bulk Acoustic Wave Resonators
Nanomaterials, 2021 Film bulk acoustic resonator (FBAR)-based filters have attracted great attention because they can be used to build high-performance RF filters with low cost and small device size.
Linhao Shi +5 more
doaj +1 more source
Frontiers in Materials, 2021 Traditional radio frequency filters cannot meet the demands of miniaturization, high frequency operation, integration, and broadband capacity in new-generation communication system owing to their larger volumes. A thin film bulk acoustic resonator (FBAR)
Pingying Jiang +8 more
doaj +1 more source
Sensors, 2021 This work illustrates the analysis of Film Bulk Acoustic Resonators (FBAR) using 3D Finite Element (FEM) simulations with the software OnScale in order to predict and improve resonator performance and quality before manufacturing.
Ruth Yadira Vidana Morales +4 more
doaj +1 more source